From f115b48d2bd79aff1f65fb895d1ebc9517d82edc Mon Sep 17 00:00:00 2001
From: =?utf8?q?Scott=20Gonz=C3=A1lez?= <scott.gonzalez@gmail.com>
Date: Tue, 24 Aug 2010 09:14:44 -0400
Subject: [PATCH] Autocomplete: Don't handle remote data if it's not the most
 recent request. Fixes #5982 - Autocomplete: Race condition causes incorrect
 suggestions.

---
 ui/jquery.ui.autocomplete.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/ui/jquery.ui.autocomplete.js b/ui/jquery.ui.autocomplete.js
index 940d41adf..6b19c4401 100644
--- a/ui/jquery.ui.autocomplete.js
+++ b/ui/jquery.ui.autocomplete.js
@@ -210,7 +210,8 @@ $.widget( "ui.autocomplete", {
 	},
 
 	_initSource: function() {
-		var array,
+		var self = this,
+			array,
 			url;
 		if ( $.isArray(this.options.source) ) {
 			array = this.options.source;
@@ -220,7 +221,11 @@ $.widget( "ui.autocomplete", {
 		} else if ( typeof this.options.source === "string" ) {
 			url = this.options.source;
 			this.source = function( request, response ) {
-				$.getJSON( url, request, response );
+				self.xhr = $.getJSON( url, request, function( data, status, xhr ) {
+					if ( xhr === self.xhr ) {
+						response.apply( this, arguments );
+					}
+				});
 			};
 		} else {
 			this.source = this.options.source;
-- 
2.39.5